let N = Int(readLine()!)!
let amaou = ["akai", "marui", "okii", "umai"]
let result = (0 ..< N)
    .filter {_ in 
        let words = readLine()!.split(separator: " ").map{ String($0) }
        return amaou.allSatisfy { words.contains(String($0)) }
    } 
    .count

print(result)